import Vue from 'vue'
import Router from 'vue-router'
// 引入多个模块的规则
import approvalsRouter from './modules/approvals'
import departmentsRouter from './modules/departments'
import employeesRouter from './modules/employees'
import permissionRouter from './modules/permission'
import attendancesRouter from './modules/attendances'
import salarysRouter from './modules/salarys'
import settingRouter from './modules/setting'
import socialRouter from './modules/social'
import userRouter from './modules/user'
Vue.use(Router)

/* Layout */
import Layout from '@/layout'

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
// 静态路由，所有人都可以访问
export const constantRoutes = [
   {
      path: '/login',
      component: () => import('@/views/login/index'),
      hidden: true
   },

   {
      path: '/404',
      component: () => import('@/views/404'),
      hidden: true
   },

   {
      path: '/',
      component: Layout,
      redirect: '/dashboard',
      children: [
         {
            path: 'dashboard',
            name: 'dashboard',
            component: () => import('@/views/dashboard/index'),
            meta: { title: '首页', icon: 'dashboard' }
         }
      ]
   },
   {
      path: '/import',
      component: Layout,
      // 不显示在左侧菜单中
      hidden: true,
      children: [
         {
            // 什么都不写表示默认的二级路由
            path: '',
            component: () => import('@/views/import')
         }
      ]
   },
   // 放置一个都可以访问的路由
   userRouter
   // 404 page must be placed at the end !!!
   // { path: '*', redirect: '/404', hidden: true }
]
// 动态路由
// 里边是一个一个的对象，所以定义的是数组
// 这里导出这个变量，后边做权限的时候用
export const asyncRoutes = [
   approvalsRouter,
   departmentsRouter,
   employeesRouter,
   permissionRouter,
   attendancesRouter,
   salarysRouter,
   settingRouter,
   socialRouter
]
const createRouter = () =>
   new Router({
      mode: 'history', // require service support
      base: 'hr/',
      scrollBehavior: () => ({ y: 0 }),
      // 路由规则
      // 静态路由和动态路由的临时合并
      routes: [...constantRoutes]
   })

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
// 重置：vueRouter 作者 会详细解释
export function resetRouter() {
   // 重置路由
   const newRouter = createRouter()
   // matcher 就是路由表的数据，只要一登出就把路由重置状态
   router.matcher = newRouter.matcher // reset router
}

export default router
